Jonas Røssum

A prop typed Item[] tells you what's inside the array, not whether you get a stable array next render. So I made referential stability a type. Inline array to a memoized child? Type error at the exact line. React + Preact, packaged as `stableref` 👇

📦 nuqs@2.9.0 is out! 🚀 - Added support for @reactrouter.com v8 - Added `history` as a global default at the adapter level 🐞 Plus lots of bug fixes, check out our new changelog page: nuqs.dev/docs/changel... Try it out: pnpm add nuqs@latest

I really enjoyed this one. shawnsmucker.substack.com/p/please-use...

npmjs.com is critical JS infrastructure, not a side project. Wild that microslop shipped a half-assed, vibe-coded dark mode, with poor contrast, making README code blocks impossible to read. IMO this is a stewardship problem, not just a bad UI tweak. @npmx.dev could not have had better timing!

I'm looking for sponsors for Valibot and Formisch. If either library is part of your companies stack and you want to partner on what's next, my DMs are open.

💥 just released a github action: `uppt` it aims to be a very simple, secure release workflow for maintainers that adheres to best security practices ⚪ trusted, staged publishing on npmjs.com ⚪ github environment protection ⚪ generated release PR + changelog ⚪ automatic release + publish on merge ✨

Today I had the honour to give a little interview for @nimrossum.com and Gustav Müller Christoffersen regarding their master thesis tool git-truck and we analysed the one and only @npmx.dev repository and found out some interesting findings.

Big week: we officially moved into our new NY office 🗽 Now the fun part begins. I'm starting to build our engineering team from the ground up, and we're looking for talented software engineers who get excited about hard problems, tight loops, and shipping real things fast.

⚡️ Vite 8.0 is here! The most significant architectural change since Vite 2. ⏬ Powered by @rolldown.rs bringing faster production builds and more consistency 🛤️ New features such as tsconfig paths and emitDecoratorMetadata support vite.dev/blog/announc...

Git Truck v3.3 is here! 🚀 We’ve overhauled the categorical metrics for deeper codebase insights: - Select categories to highlight specific authors or file types in the visualization. - Dynamic Legend that only shows visible entries when zooming. ...and more!

CSS :has() is the parent selector we’ve always wanted 🎯 Target elements based on what they contain, not just their own state. ⋅ Style a form when it has an error input ⋅ Add spacing to any element with children ⋅ Combine with :not() Learn more 👇 developer.mozilla.org/en-US/docs/...

Let us know what you think of the new version and if you experience any issues!

How to bypass minimum dependency/release age: 1. Publish an npm package with an unpinned git dependency. 2. Get usage and wait many months. 3. Push a malicious commit to the git dependency's repo.

please nerf the power of the @npmx.dev community, at least 70% of posts in my for you feed are about it

I love visualizing software! Here’s an overview of the @vite.dev repository using @git-truck.bsky.social. It kind of resembles a microprocessor. Each file is currently colored based on it's file extension.

Vite 7

React defined the Web. The AI SDK will define AI

My latest coding adventure — attempting to write a grid-based fluid solver and simulate some simple smoke! youtu.be/Q78wvrQ9xsU?...

I've released my first Go application! It's a (very basic) terminal video editor that uses ffmpeg and whisper to let you selectively choose which lines from a video you want to keep. You can also preview each line with a pop-up video player! It's called tsplice:

This whole section really.

🛠️ New Article: The Basics of Anchor Positioning I wrote an article covering some basics of CSS anchor positioning. Really excited to share this one! 🤩 🔗 ishadeed.com/article/anch...

This is CSS performance problem I see all too often. The React website has some jank due due to their use of transition. Here is how to find what causes it and how and fix it

Looks a little cleaner, lol

Have you tried the integrated terminal suggestions feature in VS Code? It gives you lightning-fast completions, like dynamic branch suggestions or path navigation. Available via the "terminal.integrated.suggest.enabled" setting (enabled by default in Insiders)

Everyone: No, GitHub Desktop is better! No, VS Code! Me: ...I just use `git add -p`. Walks you through each change, hunk for hunk, and lets you accept with `y`. It’s like a mini code review before you commit. Pair that with dandavison/delta, and you get syntax highlighting too 👀

SVG filters provide a basic lighting system you can sync with a little JavaScript and use in your web apps 💡 ... not as powerful as MacOS implementation but pretty cool

Så var der endelig noget der skulle fixes :) Det er længe siden der har været noget sidst. Sønnens gaming mus stoppede spontant med at virke. Helt død, mid-game, katastrofe! Noget må gøres! En repair-tråd fx 🧵 1/14

✨Blog: Type-Safe Persistence and Auto-Theming in Svelte 5✨ - new Persisted(key, value, ZodSchema, SerializeDeserialize) - new Theme() - system mode to synchronize with OS - Data corruption contingency with Zod www.puruvj.dev/blog/svelte-...

Sonda v0.8 is here, and it's the biggest release to date. It introduces a new UI that makes it easier to inspect and visualize large projects. It also displays more information about assets, inputs, external dependencies, and import relationships. Demo and details below 👇

We have an open position for a Senior Cinematic Lighting Artist on 007 First Light. Come join us! :) ioi.dk/careers?pane...

Paper & Viz: Analysis of Denmark’s whole bicycle network nerds.itu.dk/2025/05/20/p...

Every country has its problems. Here in Denmark, we have too many cyclists causing congestion. Tackling this issue, we published in Interface our study on cohesive urban bicycle infrastructure design through optimal transport routing: https://royalsocietypublishing.org/doi/10.1098/rsif.2024.0532

🌠 A long-requested CSS feature is the ability to transition height between a known value (`height: 20rem`) and a derived one (`height: auto`). A new global CSS property makes this possible now. 😄 html { interpolate-size: allow-keywords; } More info in thread 🧵

It's that time of year again to brush up on your regular expressions. Do you dare to discover the horrors that await in... The Typing of the RegEX thetypingoftheregex.com